masarati@aero.polimi.it wrote:

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The cleanest solution would probably be to make olcChainDatabase structural, copying all of the attributes of olcLDAPConfig into it, and dropping olcLDAPConfig itself from this situation. Too bad changing that now would break existing deployments.

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From a protocol point of view, olcChainDatabase could be derived from

olcLDAPConfig; at this point the two could coexist in existing deployments. back-config could take care of objectClass inheritance while selecting configuration tables.

back-config already uses inheritance to order the objectClasses. But I think it may be happening too late to address this. Still looking, probably a simple fix in that case.